JPS60140228U - Optical information reading device - Google Patents

Optical information reading device

Info

Publication number
JPS60140228U
JPS60140228U JP1984027043U JP2704384U JPS60140228U JP S60140228 U JPS60140228 U JP S60140228U JP 1984027043 U JP1984027043 U JP 1984027043U JP 2704384 U JP2704384 U JP 2704384U JP S60140228 U JPS60140228 U JP S60140228U
Authority
JP
Japan
Prior art keywords
disk
support member
reading device
information reading
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1984027043U
Other languages
Japanese (ja)
Inventor
池田　篤穂
Original Assignee
パイオニア株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP1984027043U priority Critical patent/JPS60140228U/en
Priority to US06/706,414 priority patent/US4661943A/en
Publication of JPS60140228U publication Critical patent/JPS60140228U/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0932—Details of sprung supports
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は既に開発された光学式情報読取装置の　　、要
部を示す図、第２図及び第３図は本考案に係る　　”光
学式情報読取装置の要部の各々側断面図及び斜　　−親
図、第４図は該光学式情報読取装置の光学系とディスク
を示す図、第５′図はサーボ系のブロック図、第６図及
び第７図は該光学式情報読取装置の動作を説明する為の
図である。 主要部分の符号の説明、１５・・・・・・記録ディスク
、１６・・・・・・キャリッジ、２５・・・・・・対物
レンズ、２７、　’６２・・・・・・光軸、２９．３０
・・・・・・第１可撓性部材、３１・・・・・・第１支
持部材、３３．３４・・・・・・第２可撓性部材、３５
・・・・・・第２支持部材、４１・・・・・・発光ダイ
オード、４２・・・・・・フォトダイオード、４５．４
６・・・・・・ラオーカスコイル、４７．４″訃＠＠＠
＠＠ボビン、４９，５０・・・・・・フォーカスマグネ
ット、５２・・・・・・センサー。Fig. 1 is a diagram showing the main parts of an optical information reading device that has already been developed, and Figs. 2 and 3 are side sectional views and oblique views of the main parts of the optical information reading device according to the present invention. The parent diagram, FIG. 4 is a diagram showing the optical system and disk of the optical information reading device, FIG. 5' is a block diagram of the servo system, and FIGS. 6 and 7 are diagrams showing the operation of the optical information reading device. It is a diagram for explanation. Explanation of symbols of main parts, 15... recording disk, 16... carriage, 25... objective lens, 27, '62... ...optical axis, 29.30
...First flexible member, 31... First support member, 33.34... Second flexible member, 35
...Second support member, 41...Light emitting diode, 42...Photodiode, 45.4
6...Laocas coil, 47.4″ ＠＠＠
@@Bobbin, 49, 50...Focus magnet, 52...Sensor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）　　対物レンズを含む光学系と、前記光学系を保
持しディスク半径方向に移動自在な保持機構と、前記光
学系からディスク記録面に向けて発、せられる照射光の
光軸とディスク記録面とが直角に交わるようになすチル
トサーボ機構とを含、−み、前記チルトサーボ機構は前
記保持機構上に設けられて前記対物レンズをディスクの
回転軸、　　を含む面内において回動及び平行移動自在
に支゛′　　　　持する支持手段と、前駆照射光の光軸
とディスク記録面の相対傾斜角度を検知して検知信号を
発する検知手段と、前記検知信号に応じて前記対物レン
ズを駆動する駆動手段とから成ることを特徴とする光学
式情報読取装置。 −（２）前記支持手段は前記ディスクの回転軸の方向に
おいて離隔して配置され且つ前記回転軸に対して略直角
に伸び一端部が前記保持機構に固定された少くとも一対
の第１可撓性部材と、前記第１可撓性部材の自由端部に
取り付けられた第１支持部材と、前記回転軸の方向にお
いて離隔して配置され且つ前記第１可撓性部材と略平行
に伸長し一端部が前記第１支持部材に固定された少（と
も一対の第２可撓性部材と、前記第２可撓性部材の他端
部に固定された第２支持部材とか４成ることを特徴とす
る実用新案登録請求の範囲第１項記載の光学式情報読取
装置。(1) An optical system including an objective lens, a holding mechanism that holds the optical system and is movable in the disk radial direction, an optical axis of the irradiation light emitted from the optical system toward the disk recording surface, and disk recording. a tilt servo mechanism configured to intersect the plane at right angles, the tilt servo mechanism being provided on the holding mechanism and capable of freely rotating and translating the objective lens within a plane including the rotation axis of the disk; a detecting means for detecting the relative inclination angle between the optical axis of the precursor irradiation light and the disk recording surface and emitting a detection signal, and a driving means for driving the objective lens in accordance with the detection signal. An optical information reading device comprising: - (2) The supporting means includes at least a pair of first flexible members which are spaced apart in the direction of the rotational axis of the disk and extend substantially perpendicularly to the rotational axis and have one end fixed to the holding mechanism. a flexible member, a first support member attached to a free end of the first flexible member, and a first support member that is spaced apart from each other in the direction of the rotation axis and extends substantially parallel to the first flexible member. a pair of second flexible members having one end fixed to the first support member; and a second support member fixed to the other end of the second flexible member. An optical information reading device according to claim 1 of the utility model registration claim.
JP1984027043U 1984-02-27 1984-02-27 Optical information reading device Pending JPS60140228U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1984027043U JPS60140228U (en) 1984-02-27 1984-02-27 Optical information reading device
US06/706,414 US4661943A (en) 1984-02-27 1985-02-27 Optical data reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984027043U JPS60140228U (en) 1984-02-27 1984-02-27 Optical information reading device

Publications (1)

Publication Number Publication Date
JPS60140228U true JPS60140228U (en) 1985-09-17

Family

ID=12210038

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984027043U Pending JPS60140228U (en) 1984-02-27 1984-02-27 Optical information reading device

Country Status (2)

Country Link
US (1) US4661943A (en)
JP (1) JPS60140228U (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0619845B2 (en) * 1986-09-26 1994-03-16 ティアツク株式会社 Disk fluctuation state detection device
US4794581A (en) * 1987-06-25 1988-12-27 International Business Machines Corporation Lens support system enabling focussing and tracking motions employing a unitary lens holder
DE68921733T2 (en) * 1989-01-25 1995-10-26 Kenju Yomoda Drive arrangement for an optical scanning unit.
JPH0769162B2 (en) * 1990-04-23 1995-07-26 大日本スクリーン製造株式会社 Automatic focusing device for optical inspection system
JPH0439817U (en) * 1990-07-24 1992-04-03
JPH04245034A (en) * 1991-01-31 1992-09-01 Toshiba Corp Optical head device
JPH04366429A (en) * 1991-06-14 1992-12-18 Toshiba Corp Objective lens drive device
DE69229451T2 (en) * 1991-11-20 1999-10-07 Sony Corp Optical scanner
DE4211213C2 (en) * 1992-04-03 2001-03-15 Thomson Brandt Gmbh Control of optical scanning systems, especially in the start-up phase of the playback devices
JP2856176B2 (en) * 1995-11-06 1999-02-10 松下電器産業株式会社 Optical pickup and method of supporting optical pickup
JP2005538492A (en) * 2002-09-11 2005-12-15 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ Device for tilt correction of information carrier
WO2006038139A1 (en) * 2004-10-04 2006-04-13 Arima Devices Corporation An arrangement for an optical pickup unit
US8530817B1 (en) * 2008-10-27 2013-09-10 Lockheed Martin Corporation Field of view limit detection enhancement for quadrant-array detector systems

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57195340A (en) * 1981-05-27 1982-12-01 Sony Corp Optical disk player

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7810386A (en) * 1978-10-17 1980-04-21 Philips Nv OPTICAL READING DEVICE FOR READING A DISC REGISTRATION CARRIER.
JPS57103131A (en) * 1980-12-18 1982-06-26 Sony Corp Biaxial driver
US4555780A (en) * 1981-11-19 1985-11-26 Ricoh Co. Ltd. Optical recording and playback unit
JPS58125242A (en) * 1982-01-22 1983-07-26 Victor Co Of Japan Ltd Tracking error detecting system of optical information signal reproducing device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57195340A (en) * 1981-05-27 1982-12-01 Sony Corp Optical disk player

Also Published As

Publication number Publication date
US4661943A (en) 1987-04-28

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